... bearing of station 电台方位 beat carrier 差频载波 beyond-the-horizon communication 超视距通信 ...
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载波[差频]相位测量 carrier phase measurement
提出一种适合软件无线电的载波相位和频差估计算法。
An algorithm suitable for carrier phase and frequency offset estimation in software radio is proposed.
在数字通信系统中，发送端和接收端的载波往往存在一定的频差。
In a digital communication system, usually there exist carrier frequency offset between the sender and the receiver.
结果表明，用该算法可以精确估计载波相位和频差，有效地降低系统的误码率。
The simulation for QPSK shows that the algorithm can estimate the carrier phase and frequency offset accurately and reduce the system BER effectively.
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